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4-hydroxy-2H,1,2-benzothiazine-3-carboxylic acid, ethyl ester, 1,1-dioxide
SpectraBase Compound ID 9MyV4oU3U9B
InChI InChI=1S/2C11H11NO5S/c2*1-2-17-11(14)9-10(13)7-5-3-4-6-8(7)18(15,16)12-9/h3-6,12-13H,2H2,1H3;3-6,9,12H,2H2,1H3
InChIKey PWPWERVVUHBKRT-UHFFFAOYSA-N
Mol Weight 269.27 g/mol
Molecular Formula C11H11NO5S
Exact Mass 269.035794 g/mol

Transmission Infrared (IR) Spectrum

Transmission Infrared (IR) Spectrum

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SpectraBase Spectrum ID Etuf6nruMzj
Name 2,3-DIHYDRO-4-OXO-4H-1,2-BENZOTHIAZINE-3-CARBOXYLIC ACID, ETHYL ESTER, 1,1-DIOXIDE
Source of Sample C. R. Rasmussen, Mcneil Laboratories, Inc., Fort Washington, Pennsylvania
Copyright Copyright © 1980, 1981-2025 John Wiley & Sons, Inc. All Rights Reserved.
Formula C11H11NO5S
InChI InChI=1S/2C11H11NO5S/c2*1-2-17-11(14)9-10(13)7-5-3-4-6-8(7)18(15,16)12-9/h3-6,12-13H,2H2,1H3;3-6,9,12H,2H2,1H3
InChIKey PWPWERVVUHBKRT-UHFFFAOYSA-N
Literature Reference J. ORG. CHEM. 39, 1554(1974)
Melting Point 139.5-141.5C
Molecular Weight 269.270996
Synonyms BENZOTHIAZINE-3-CARBOXYLIC ACID, 4H-1,2-, 2,3-DIHYDRO-4-OXO-, ETHYL ESTER, 1,1-DIOXIDE
Technique KBr WAFER